This set of printable paper contains 14 sheets of A4 white printable shrink paper,30 keychains and 100 open iron ring. When heated, the sheets shrink to 20% of their original size and increase in thickness by 5 times. Each sheet is one side and matte frosted on the other, it is recommended to print on the frosted side for clear, vibrant results. Using high quality materials that are non- and odorless, it ensures even heat distribution and avoids warping during the shrinking process. The material stays flat and smooth, providing you with perfect and consistent results. The finished product has high transparency, clear details and high durability,ensuring that the work looks professional and . Customize your just a few steps: print, cut, and heat. Place the shrink plastic sheet into an inkjet or laser printer to print your favorite design or photo, then cut and punch. Using an oven or heat , heat the piece at 165C (329F) for 1-3 minutes and watch as it shrinks and becomes sturdy and colorful. You can make the pieces into key chains, earrings, pendants and more, perfect for family craft activities. These printable shrink paper are perfect for making custom keychains, earrings, necklaces and other personalized accessories. Unlimited possibilities are waiting to discover, and the jewelry produced not only shows your personal style, but also serves as handmade gifts suitable for family and friends. These shrink plastic sheets are perfect for family gatherings, school projects and craft workshops, providing a fun and interactive experience for family, friends or classmates. Watching the process of transforming plastic stimulates visual enjoyment and helps develop fine motor skills and creativity. Color: As Shown Material: paper+metal Package Contents: 1 x keychain making kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.